"Pen and touch computing have long-thought to be mutually exclusive methods of human-computer interaction, but as the Microsoft Research project "Manual Deskterity" shows, the two intuitively combined makes for a much powerful input method than each of them might ever be on their own."
This video has some really interesting concepts for user input combining pen and touch - we're all very touch-focused now, but using a pen brings a powerful element into the manipulation of objects and text. Well worth watching!
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